Exam 2 Review

Exam 2 Review - The Blue Planet Review for Exam 2 Earth...

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The Blue Planet: Review for Exam 2 Earth Materials: Minerals and Rocks o Minerals Structure : Tetrahedra Silicates : the most abundant minerals in the continental crust, Feldspar and quartz account for 75% of the continental crust. Asbestos : The mineral, chrystole, is referred to as asbestos when its cotton like threads are separated and woven into fireproof fabric. o Rocks : Igneous : Formed from the cooling of magma Two types : Intrusive and Extrusive o 1) Intrusive : Formed when magma solidifies within the crust or mantle. o 2) Extrusive : Formed by solidification of lava Sedimentary : Formed by accumulation/consolidation of loose rock/mineral material. Two types : Clastic and Chemical o 1) Clastic : Broken bits of rock and minerals that are moved as solid particles. o 2) Chemical : Transported in solution and deposited when the dissolved minerals are precipitated. Physical and Chemical Weathering
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Exam 2 Review - The Blue Planet Review for Exam 2 Earth...

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